| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * (C) Copyright 2017 NVIDIA Corporation <www.nvidia.com> |
| * |
| * Derived from Linux kernel v4.14 files: |
| * |
| * arch/arm64/include/asm/assembler.h: |
| * Based on arch/arm/include/asm/assembler.h, arch/arm/mm/proc-macros.S |
| * Copyright (C) 1996-2000 Russell King |
| * Copyright (C) 2012 ARM Ltd. |
| * |
| * arch/arm64/kernel/head.S: |
| * Based on arch/arm/kernel/head.S |
| * Copyright (C) 1994-2002 Russell King |
| * Copyright (C) 2003-2012 ARM Ltd. |
| * Authors: Catalin Marinas <catalin.marinas@arm.com> |
| * Will Deacon <will.deacon@arm.com> |
| * |
| * arch/arm64/kernel/image.h: |
| * Copyright (C) 2014 ARM Ltd. |
| */ |
| |
| /* |
| * Emit a 64-bit absolute little endian symbol reference in a way that |
| * ensures that it will be resolved at build time, even when building a |
| * PIE binary. This requires cooperation from the linker script, which |
| * must emit the lo32/hi32 halves individually. |
| */ |
| .macro le64sym, sym |
| .long \sym\()_lo32 |
| .long \sym\()_hi32 |
| .endm |
| |
| .globl _start |
| _start: |
| /* |
| * DO NOT MODIFY. Image header expected by Linux boot-loaders. |
| */ |
| b reset /* branch to kernel start, magic */ |
| .long 0 /* reserved */ |
| le64sym _kernel_offset_le /* Image load offset from start of RAM, little-endian */ |
| le64sym _kernel_size_le /* Effective size of kernel image, little-endian */ |
| le64sym _kernel_flags_le /* Informative flags, little-endian */ |
| .quad 0 /* reserved */ |
| .quad 0 /* reserved */ |
| .quad 0 /* reserved */ |
| .ascii "ARM\x64" /* Magic number */ |
| .long 0 /* reserved */ |
